JS杂记
监控当前页面的加载状态
document.onreadystatechange = subSomething;
function subSomething(){
if(document.readyState == "complete" && document.getElementById("fre").contentWindow.document.readyState == "complete")
{
var son = document.getElementById("fre").contentWindow;
son.show();
}
}
//获取iframe里面的window对象
document.getElementById("fre").contentWindow